Pillow



FIG. 1 is a top plan view of a pillow showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 4 is a left end elevational view thereof, the right end elevational being identical thereto; and,

FIG. 5 is a top right perspective view thereof. 

The ornamental design for a pillow, as shown and described. 